Nail filer



FIG. 1 is a top perspective view showing our design thereof;

FIG. 2 is a bottom perspective view;

FIG. 3 is a right side view;

FIG. 4 is a left side view;

FIG. 5 is a top view;

FIG. 6 is a bottom plan view;

FIG. 7 is a front view; and,

FIG. 8 is a rear view thereof.

The broken lines illustrate portions of the nail filer that form no part of the claimed design. 

CLAIM The ornamental design for a nail filer, as shown and described. 